static int ulpi_init(struct usb_phy *phy) { int i, vid, pid, ret; u32 ulpi_id = 0; for (i = 0; i < 4; i++) { ret = usb_phy_io_read(phy, ULPI_PRODUCT_ID_HIGH - i); if (ret < 0) return ret; ulpi_id = (ulpi_id << 8) | ret; } vid = ulpi_id & 0xffff; pid = ulpi_id >> 16; pr_info("ULPI transceiver vendor/product ID 0x%04x/0x%04x\n", vid, pid); for (i = 0; i < ARRAY_SIZE(ulpi_ids); i++) { if (ulpi_ids[i].id == ULPI_ID(vid, pid)) { pr_info("Found %s ULPI transceiver.\n", ulpi_ids[i].name); break; } } ret = ulpi_check_integrity(phy); if (ret) return ret; return ulpi_set_flags(phy); }
static int ulpi_init(struct otg_transceiver *otg) { int i, vid, pid, ret; u32 ulpi_id = 0; for (i = 0; i < 4; i++) { ret = otg_io_read(otg, ULPI_PRODUCT_ID_HIGH - i); if (ret < 0) return ret; ulpi_id = (ulpi_id << 8) | ret; } vid = ulpi_id & 0xffff; pid = ulpi_id >> 16; pr_info("ULPI transceiver vendor/product ID 0x%04x/0x%04x\n", vid, pid); for (i = 0; i < ARRAY_SIZE(ulpi_ids); i++) if (ulpi_ids[i] == ULPI_ID(vid, pid)) return ulpi_set_flags(otg); pr_err("ULPI ID does not match any known transceiver.\n"); return -ENODEV; }
struct ulpi_info { unsigned int id; char *name; }; #define ULPI_ID(vendor, product) (((vendor) << 16) | (product)) #define ULPI_INFO(_id, _name) \ { \ .id = (_id), \ .name = (_name), \ } /* ULPI hardcoded IDs, used for probing */ static struct ulpi_info ulpi_ids[] = { ULPI_INFO(ULPI_ID(0x04cc, 0x1504), "NXP ISP1504"), ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB331x"), }; static int ulpi_set_otg_flags(struct usb_phy *phy) { unsigned int flags = ULPI_OTG_CTRL_DP_PULLDOWN | ULPI_OTG_CTRL_DM_PULLDOWN; if (phy->flags & ULPI_OTG_ID_PULLUP) flags |= ULPI_OTG_CTRL_ID_PULLUP; /* * ULPI Specification rev.1.1 default * for Dp/DmPulldown is enabled. */
#include <linux/kernel.h> #include <linux/slab.h> #include <linux/usb.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> #define ULPI_ID(vendor, product) (((vendor) << 16) | (product)) #define TR_FLAG(flags, a, b) (((flags) & a) ? b : 0) /* ULPI hardcoded IDs, used for probing */ static unsigned int ulpi_ids[] = { ULPI_ID(0x04cc, 0x1504), /* NXP ISP1504 */ }; static int ulpi_set_flags(struct otg_transceiver *otg) { unsigned int flags = 0; if (otg->flags & USB_OTG_PULLUP_ID) flags |= ULPI_OTG_CTRL_ID_PULLUP; if (otg->flags & USB_OTG_PULLDOWN_DM) flags |= ULPI_OTG_CTRL_DM_PULLDOWN; if (otg->flags & USB_OTG_PULLDOWN_DP) flags |= ULPI_OTG_CTRL_DP_PULLDOWN; if (otg->flags & USB_OTG_EXT_VBUS_INDICATOR)
struct ulpi_info { unsigned int id; char *name; }; #define ULPI_ID(vendor, product) (((vendor) << 16) | (product)) #define ULPI_INFO(_id, _name) \ { \ .id = (_id), \ .name = (_name), \ } /* ULPI hardcoded IDs, used for probing */ static struct ulpi_info ulpi_ids[] = { ULPI_INFO(ULPI_ID(0x04cc, 0x1504), "NXP ISP1504"), ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB331x"), ULPI_INFO(ULPI_ID(0x0424, 0x0007), "SMSC USB3320"), ULPI_INFO(ULPI_ID(0x0424, 0x0009), "SMSC USB334x"), ULPI_INFO(ULPI_ID(0x0451, 0x1507), "TI TUSB1210"), }; static int ulpi_set_otg_flags(struct usb_phy *phy) { unsigned int flags = ULPI_OTG_CTRL_DP_PULLDOWN | ULPI_OTG_CTRL_DM_PULLDOWN; if (phy->flags & ULPI_OTG_ID_PULLUP) flags |= ULPI_OTG_CTRL_ID_PULLUP; /*